diff --git a/modules/backend/lang/en/lang.php b/modules/backend/lang/en/lang.php
index f0795a2b1..6ec44b95b 100644
--- a/modules/backend/lang/en/lang.php
+++ b/modules/backend/lang/en/lang.php
@@ -364,6 +364,7 @@ return [
         'permissions'  => 'Directory :name or its subdirectories is not writable for PHP. Please set corresponding permissions for the webserver on this directory.',
         'extension' => 'The PHP extension :name is not installed. Please install this library and activate the extension.',
         'plugin_missing' => 'The plugin :name is a dependency but is not installed. Please install this plugin.',
+        'debug' => 'Debug mode is enabled. This is not recommended for production installations.'
     ],
     'editor' => [
         'menu_label' => 'Editor settings',
diff --git a/modules/system/reportwidgets/Status.php b/modules/system/reportwidgets/Status.php
index 7a4089709..ea5570334 100644
--- a/modules/system/reportwidgets/Status.php
+++ b/modules/system/reportwidgets/Status.php
@@ -99,6 +99,10 @@ class Status extends ReportWidgetBase
             $writablePaths[] = themes_path();
         }
 
+        if (Config::get('app.debug', true)) {
+            $warnings[] = Lang::get('backend::lang.warnings.debug');
+        }
+
         $requiredExtensions = [
             'GD'       => extension_loaded('gd'),
             'fileinfo' => extension_loaded('fileinfo'),